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mirror of https://github.com/ytdl-org/youtube-dl.git synced 2024-12-05 04:28:02 +01:00
youtube-dl/youtube_dl/extractor/iqiyi.py
2016-05-12 18:48:27 +08:00

629 lines
22 KiB
Python

# coding: utf-8
from __future__ import unicode_literals
import hashlib
import itertools
import math
import os
import random
import re
import time
import uuid
from .common import InfoExtractor
from ..compat import (
compat_parse_qs,
compat_str,
compat_urllib_parse_urlencode,
compat_urllib_parse_urlparse,
)
from ..utils import (
decode_packed_codes,
ExtractorError,
ohdave_rsa_encrypt,
remove_start,
sanitized_Request,
urlencode_postdata,
url_basename,
)
def md5_text(text):
return hashlib.md5(text.encode('utf-8')).hexdigest()
class IqiyiSDK(object):
def __init__(self, target, ip, timestamp):
self.target = target
self.ip = ip
self.timestamp = timestamp
@staticmethod
def split_sum(data):
return compat_str(sum(map(lambda p: int(p, 16), list(data))))
@staticmethod
def digit_sum(num):
if isinstance(num, int):
num = compat_str(num)
return compat_str(sum(map(int, num)))
def even_odd(self):
even = self.digit_sum(compat_str(self.timestamp)[::2])
odd = self.digit_sum(compat_str(self.timestamp)[1::2])
return even, odd
def preprocess(self, chunksize):
self.target = md5_text(self.target)
chunks = []
for i in range(32 // chunksize):
chunks.append(self.target[chunksize * i:chunksize * (i + 1)])
if 32 % chunksize:
chunks.append(self.target[32 - 32 % chunksize:])
return chunks, list(map(int, self.ip.split('.')))
def mod(self, modulus):
chunks, ip = self.preprocess(32)
self.target = chunks[0] + ''.join(map(lambda p: compat_str(p % modulus), ip))
def split(self, chunksize):
modulus_map = {
4: 256,
5: 10,
8: 100,
}
chunks, ip = self.preprocess(chunksize)
ret = ''
for i in range(len(chunks)):
ip_part = compat_str(ip[i] % modulus_map[chunksize]) if i < 4 else ''
if chunksize == 8:
ret += ip_part + chunks[i]
else:
ret += chunks[i] + ip_part
self.target = ret
def handle_input16(self):
self.target = md5_text(self.target)
self.target = self.split_sum(self.target[:16]) + self.target + self.split_sum(self.target[16:])
def handle_input8(self):
self.target = md5_text(self.target)
ret = ''
for i in range(4):
part = self.target[8 * i:8 * (i + 1)]
ret += self.split_sum(part) + part
self.target = ret
def handleSum(self):
self.target = md5_text(self.target)
self.target = self.split_sum(self.target) + self.target
def date(self, scheme):
self.target = md5_text(self.target)
d = time.localtime(self.timestamp)
strings = {
'y': compat_str(d.tm_year),
'm': '%02d' % d.tm_mon,
'd': '%02d' % d.tm_mday,
}
self.target += ''.join(map(lambda c: strings[c], list(scheme)))
def split_time_even_odd(self):
even, odd = self.even_odd()
self.target = odd + md5_text(self.target) + even
def split_time_odd_even(self):
even, odd = self.even_odd()
self.target = even + md5_text(self.target) + odd
def split_ip_time_sum(self):
chunks, ip = self.preprocess(32)
self.target = compat_str(sum(ip)) + chunks[0] + self.digit_sum(self.timestamp)
def split_time_ip_sum(self):
chunks, ip = self.preprocess(32)
self.target = self.digit_sum(self.timestamp) + chunks[0] + compat_str(sum(ip))
class IqiyiSDKInterpreter(object):
def __init__(self, sdk_code):
self.sdk_code = sdk_code
def run(self, target, ip, timestamp):
self.sdk_code = decode_packed_codes(self.sdk_code)
functions = re.findall(r'input=([a-zA-Z0-9]+)\(input', self.sdk_code)
sdk = IqiyiSDK(target, ip, timestamp)
other_functions = {
'handleSum': sdk.handleSum,
'handleInput8': sdk.handle_input8,
'handleInput16': sdk.handle_input16,
'splitTimeEvenOdd': sdk.split_time_even_odd,
'splitTimeOddEven': sdk.split_time_odd_even,
'splitIpTimeSum': sdk.split_ip_time_sum,
'splitTimeIpSum': sdk.split_time_ip_sum,
}
for function in functions:
if re.match(r'mod\d+', function):
sdk.mod(int(function[3:]))
elif re.match(r'date[ymd]{3}', function):
sdk.date(function[4:])
elif re.match(r'split\d+', function):
sdk.split(int(function[5:]))
elif function in other_functions:
other_functions[function]()
else:
raise ExtractorError('Unknown funcion %s' % function)
return sdk.target
class IqiyiIE(InfoExtractor):
IE_NAME = 'iqiyi'
IE_DESC = '爱奇艺'
_VALID_URL = r'https?://(?:(?:[^.]+\.)?iqiyi\.com|www\.pps\.tv)/.+\.html'
_NETRC_MACHINE = 'iqiyi'
_TESTS = [{
'url': 'http://www.iqiyi.com/v_19rrojlavg.html',
'md5': '2cb594dc2781e6c941a110d8f358118b',
'info_dict': {
'id': '9c1fb1b99d192b21c559e5a1a2cb3c73',
'title': '美国德州空中惊现奇异云团 酷似UFO',
'ext': 'f4v',
}
}, {
'url': 'http://www.iqiyi.com/v_19rrhnnclk.html',
'info_dict': {
'id': 'e3f585b550a280af23c98b6cb2be19fb',
'title': '名侦探柯南第752集',
},
'playlist': [{
'info_dict': {
'id': 'e3f585b550a280af23c98b6cb2be19fb_part1',
'ext': 'f4v',
'title': '名侦探柯南第752集',
},
}, {
'info_dict': {
'id': 'e3f585b550a280af23c98b6cb2be19fb_part2',
'ext': 'f4v',
'title': '名侦探柯南第752集',
},
}, {
'info_dict': {
'id': 'e3f585b550a280af23c98b6cb2be19fb_part3',
'ext': 'f4v',
'title': '名侦探柯南第752集',
},
}, {
'info_dict': {
'id': 'e3f585b550a280af23c98b6cb2be19fb_part4',
'ext': 'f4v',
'title': '名侦探柯南第752集',
},
}, {
'info_dict': {
'id': 'e3f585b550a280af23c98b6cb2be19fb_part5',
'ext': 'f4v',
'title': '名侦探柯南第752集',
},
}, {
'info_dict': {
'id': 'e3f585b550a280af23c98b6cb2be19fb_part6',
'ext': 'f4v',
'title': '名侦探柯南第752集',
},
}, {
'info_dict': {
'id': 'e3f585b550a280af23c98b6cb2be19fb_part7',
'ext': 'f4v',
'title': '名侦探柯南第752集',
},
}, {
'info_dict': {
'id': 'e3f585b550a280af23c98b6cb2be19fb_part8',
'ext': 'f4v',
'title': '名侦探柯南第752集',
},
}],
'params': {
'skip_download': True,
},
}, {
'url': 'http://www.iqiyi.com/w_19rt6o8t9p.html',
'only_matching': True,
}, {
'url': 'http://www.iqiyi.com/a_19rrhbc6kt.html',
'only_matching': True,
}, {
'url': 'http://yule.iqiyi.com/pcb.html',
'only_matching': True,
}, {
# VIP-only video. The first 2 parts (6 minutes) are available without login
# MD5 sums omitted as values are different on Travis CI and my machine
'url': 'http://www.iqiyi.com/v_19rrny4w8w.html',
'info_dict': {
'id': 'f3cf468b39dddb30d676f89a91200dc1',
'title': '泰坦尼克号',
},
'playlist': [{
'info_dict': {
'id': 'f3cf468b39dddb30d676f89a91200dc1_part1',
'ext': 'f4v',
'title': '泰坦尼克号',
},
}, {
'info_dict': {
'id': 'f3cf468b39dddb30d676f89a91200dc1_part2',
'ext': 'f4v',
'title': '泰坦尼克号',
},
}],
'expected_warnings': ['Needs a VIP account for full video'],
}, {
'url': 'http://www.iqiyi.com/a_19rrhb8ce1.html',
'info_dict': {
'id': '202918101',
'title': '灌篮高手 国语版',
},
'playlist_count': 101,
}, {
'url': 'http://www.pps.tv/w_19rrbav0ph.html',
'only_matching': True,
}]
_FORMATS_MAP = [
('1', 'h6'),
('2', 'h5'),
('3', 'h4'),
('4', 'h3'),
('5', 'h2'),
('10', 'h1'),
]
AUTH_API_ERRORS = {
# No preview available (不允许试看鉴权失败)
'Q00505': 'This video requires a VIP account',
# End of preview time (试看结束鉴权失败)
'Q00506': 'Needs a VIP account for full video',
}
def _real_initialize(self):
self._login()
@staticmethod
def _rsa_fun(data):
# public key extracted from http://static.iqiyi.com/js/qiyiV2/20160129180840/jobs/i18n/i18nIndex.js
N = 0xab86b6371b5318aaa1d3c9e612a9f1264f372323c8c0f19875b5fc3b3fd3afcc1e5bec527aa94bfa85bffc157e4245aebda05389a5357b75115ac94f074aefcd
e = 65537
return ohdave_rsa_encrypt(data, e, N)
def _login(self):
(username, password) = self._get_login_info()
# No authentication to be performed
if not username:
return True
data = self._download_json(
'http://kylin.iqiyi.com/get_token', None,
note='Get token for logging', errnote='Unable to get token for logging')
sdk = data['sdk']
timestamp = int(time.time())
target = '/apis/reglogin/login.action?lang=zh_TW&area_code=null&email=%s&passwd=%s&agenttype=1&from=undefined&keeplogin=0&piccode=&fromurl=&_pos=1' % (
username, self._rsa_fun(password.encode('utf-8')))
interp = IqiyiSDKInterpreter(sdk)
sign = interp.run(target, data['ip'], timestamp)
validation_params = {
'target': target,
'server': 'BEA3AA1908656AABCCFF76582C4C6660',
'token': data['token'],
'bird_src': 'f8d91d57af224da7893dd397d52d811a',
'sign': sign,
'bird_t': timestamp,
}
validation_result = self._download_json(
'http://kylin.iqiyi.com/validate?' + compat_urllib_parse_urlencode(validation_params), None,
note='Validate credentials', errnote='Unable to validate credentials')
MSG_MAP = {
'P00107': 'please login via the web interface and enter the CAPTCHA code',
'P00117': 'bad username or password',
}
code = validation_result['code']
if code != 'A00000':
msg = MSG_MAP.get(code)
if not msg:
msg = 'error %s' % code
if validation_result.get('msg'):
msg += ': ' + validation_result['msg']
self._downloader.report_warning('unable to log in: ' + msg)
return False
return True
def _authenticate_vip_video(self, api_video_url, video_id, tvid, _uuid, do_report_warning):
auth_params = {
# version and platform hard-coded in com/qiyi/player/core/model/remote/AuthenticationRemote.as
'version': '2.0',
'platform': 'b6c13e26323c537d',
'aid': tvid,
'tvid': tvid,
'uid': '',
'deviceId': _uuid,
'playType': 'main', # XXX: always main?
'filename': os.path.splitext(url_basename(api_video_url))[0],
}
qd_items = compat_parse_qs(compat_urllib_parse_urlparse(api_video_url).query)
for key, val in qd_items.items():
auth_params[key] = val[0]
auth_req = sanitized_Request(
'http://api.vip.iqiyi.com/services/ckn.action',
urlencode_postdata(auth_params))
# iQiyi server throws HTTP 405 error without the following header
auth_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
auth_result = self._download_json(
auth_req, video_id,
note='Downloading video authentication JSON',
errnote='Unable to download video authentication JSON')
code = auth_result.get('code')
msg = self.AUTH_API_ERRORS.get(code) or auth_result.get('msg') or code
if code == 'Q00506':
if do_report_warning:
self.report_warning(msg)
return False
if 'data' not in auth_result:
if msg is not None:
raise ExtractorError('%s said: %s' % (self.IE_NAME, msg), expected=True)
raise ExtractorError('Unexpected error from Iqiyi auth API')
return auth_result['data']
def construct_video_urls(self, data, video_id, _uuid, tvid):
def do_xor(x, y):
a = y % 3
if a == 1:
return x ^ 121
if a == 2:
return x ^ 72
return x ^ 103
def get_encode_code(l):
a = 0
b = l.split('-')
c = len(b)
s = ''
for i in range(c - 1, -1, -1):
a = do_xor(int(b[c - i - 1], 16), i)
s += chr(a)
return s[::-1]
def get_path_key(x, format_id, segment_index):
mg = ')(*&^flash@#$%a'
tm = self._download_json(
'http://data.video.qiyi.com/t?tn=' + str(random.random()), video_id,
note='Download path key of segment %d for format %s' % (segment_index + 1, format_id)
)['t']
t = str(int(math.floor(int(tm) / (600.0))))
return md5_text(t + mg + x)
video_urls_dict = {}
need_vip_warning_report = True
for format_item in data['vp']['tkl'][0]['vs']:
if 0 < int(format_item['bid']) <= 10:
format_id = self.get_format(format_item['bid'])
else:
continue
video_urls = []
video_urls_info = format_item['fs']
if not format_item['fs'][0]['l'].startswith('/'):
t = get_encode_code(format_item['fs'][0]['l'])
if t.endswith('mp4'):
video_urls_info = format_item['flvs']
for segment_index, segment in enumerate(video_urls_info):
vl = segment['l']
if not vl.startswith('/'):
vl = get_encode_code(vl)
is_vip_video = '/vip/' in vl
filesize = segment['b']
base_url = data['vp']['du'].split('/')
if not is_vip_video:
key = get_path_key(
vl.split('/')[-1].split('.')[0], format_id, segment_index)
base_url.insert(-1, key)
base_url = '/'.join(base_url)
param = {
'su': _uuid,
'qyid': uuid.uuid4().hex,
'client': '',
'z': '',
'bt': '',
'ct': '',
'tn': str(int(time.time()))
}
api_video_url = base_url + vl
if is_vip_video:
api_video_url = api_video_url.replace('.f4v', '.hml')
auth_result = self._authenticate_vip_video(
api_video_url, video_id, tvid, _uuid, need_vip_warning_report)
if auth_result is False:
need_vip_warning_report = False
break
param.update({
't': auth_result['t'],
# cid is hard-coded in com/qiyi/player/core/player/RuntimeData.as
'cid': 'afbe8fd3d73448c9',
'vid': video_id,
'QY00001': auth_result['u'],
})
api_video_url += '?' if '?' not in api_video_url else '&'
api_video_url += compat_urllib_parse_urlencode(param)
js = self._download_json(
api_video_url, video_id,
note='Download video info of segment %d for format %s' % (segment_index + 1, format_id))
video_url = js['l']
video_urls.append(
(video_url, filesize))
video_urls_dict[format_id] = video_urls
return video_urls_dict
def get_format(self, bid):
matched_format_ids = [_format_id for _bid, _format_id in self._FORMATS_MAP if _bid == str(bid)]
return matched_format_ids[0] if len(matched_format_ids) else None
def get_bid(self, format_id):
matched_bids = [_bid for _bid, _format_id in self._FORMATS_MAP if _format_id == format_id]
return matched_bids[0] if len(matched_bids) else None
def get_raw_data(self, tvid, video_id, enc_key, _uuid):
tm = str(int(time.time()))
tail = tm + tvid
param = {
'key': 'fvip',
'src': md5_text('youtube-dl'),
'tvId': tvid,
'vid': video_id,
'vinfo': 1,
'tm': tm,
'enc': md5_text(enc_key + tail),
'qyid': _uuid,
'tn': random.random(),
# In iQiyi's flash player, um is set to 1 if there's a logged user
# Some 1080P formats are only available with a logged user.
# Here force um=1 to trick the iQiyi server
'um': 1,
'authkey': md5_text(md5_text('') + tail),
'k_tag': 1,
}
api_url = 'http://cache.video.qiyi.com/vms' + '?' + \
compat_urllib_parse_urlencode(param)
raw_data = self._download_json(api_url, video_id)
return raw_data
def get_enc_key(self, video_id):
# TODO: automatic key extraction
# last update at 2016-01-22 for Zombie::bite
enc_key = '4a1caba4b4465345366f28da7c117d20'
return enc_key
def _extract_playlist(self, webpage):
PAGE_SIZE = 50
links = re.findall(
r'<a[^>]+class="site-piclist_pic_link"[^>]+href="(http://www\.iqiyi\.com/.+\.html)"',
webpage)
if not links:
return
album_id = self._search_regex(
r'albumId\s*:\s*(\d+),', webpage, 'album ID')
album_title = self._search_regex(
r'data-share-title="([^"]+)"', webpage, 'album title', fatal=False)
entries = list(map(self.url_result, links))
# Start from 2 because links in the first page are already on webpage
for page_num in itertools.count(2):
pagelist_page = self._download_webpage(
'http://cache.video.qiyi.com/jp/avlist/%s/%d/%d/' % (album_id, page_num, PAGE_SIZE),
album_id,
note='Download playlist page %d' % page_num,
errnote='Failed to download playlist page %d' % page_num)
pagelist = self._parse_json(
remove_start(pagelist_page, 'var tvInfoJs='), album_id)
vlist = pagelist['data']['vlist']
for item in vlist:
entries.append(self.url_result(item['vurl']))
if len(vlist) < PAGE_SIZE:
break
return self.playlist_result(entries, album_id, album_title)
def _real_extract(self, url):
webpage = self._download_webpage(
url, 'temp_id', note='download video page')
# There's no simple way to determine whether an URL is a playlist or not
# So detect it
playlist_result = self._extract_playlist(webpage)
if playlist_result:
return playlist_result
tvid = self._search_regex(
r'data-player-tvid\s*=\s*[\'"](\d+)', webpage, 'tvid')
video_id = self._search_regex(
r'data-player-videoid\s*=\s*[\'"]([a-f\d]+)', webpage, 'video_id')
_uuid = uuid.uuid4().hex
enc_key = self.get_enc_key(video_id)
raw_data = self.get_raw_data(tvid, video_id, enc_key, _uuid)
if raw_data['code'] != 'A000000':
raise ExtractorError('Unable to load data. Error code: ' + raw_data['code'])
data = raw_data['data']
title = data['vi']['vn']
# generate video_urls_dict
video_urls_dict = self.construct_video_urls(
data, video_id, _uuid, tvid)
# construct info
entries = []
for format_id in video_urls_dict:
video_urls = video_urls_dict[format_id]
for i, video_url_info in enumerate(video_urls):
if len(entries) < i + 1:
entries.append({'formats': []})
entries[i]['formats'].append(
{
'url': video_url_info[0],
'filesize': video_url_info[-1],
'format_id': format_id,
'preference': int(self.get_bid(format_id))
}
)
for i in range(len(entries)):
self._sort_formats(entries[i]['formats'])
entries[i].update(
{
'id': '%s_part%d' % (video_id, i + 1),
'title': title,
}
)
if len(entries) > 1:
info = {
'_type': 'multi_video',
'id': video_id,
'title': title,
'entries': entries,
}
else:
info = entries[0]
info['id'] = video_id
info['title'] = title
return info